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Equity-Accounted Investments And Other Long-Term Assets (Narrative) (Details) R / shares in Units, $ / shares in Units, SFr in Millions, R in Millions													1 Months Ended										3 Months Ended				9 Months Ended	12 Months Ended
	Feb. 03, 2021 USD ($)	Apr. 15, 2020 CHF (SFr)	Apr. 15, 2020 USD ($)	Apr. 13, 2020 CHF (SFr)	Apr. 13, 2020 USD ($)	Apr. 01, 2020 USD ($) Item shares	Apr. 01, 2020 ZAR (R) Item shares	Mar. 31, 2020 USD ($)	Oct. 02, 2019 CHF (SFr)	Oct. 02, 2019 USD ($)	Aug. 02, 2017 USD ($) shares	Aug. 02, 2017 ZAR (R) shares	Feb. 28, 2022 USD ($)	Oct. 31, 2021 shares	Jun. 30, 2021 USD ($) shares	Mar. 31, 2021 USD ($)	Nov. 30, 2020 USD ($)	Oct. 31, 2020 USD ($)	May 31, 2019 USD ($) shares	May 31, 2019 ZAR (R) shares	Jun. 30, 2017 USD ($)	Aug. 31, 2016 USD ($)	Jun. 30, 2021 USD ($) shares	Dec. 31, 2020 USD ($) $ / shares	Sep. 30, 2020 USD ($) Item $ / shares	Mar. 31, 2020 USD ($)	Mar. 31, 2021 USD ($)	Jun. 30, 2022 USD ($) shares	Jun. 30, 2021 USD ($) shares	Jun. 30, 2020 USD ($)	Jun. 30, 2022 ZAR (R) R / shares shares	Apr. 22, 2021 USD ($)	Mar. 31, 2021 R / shares	Nov. 30, 2020 R / shares	Apr. 09, 2020	Feb. 29, 2020	Jan. 31, 2020 USD ($)	Aug. 31, 2019 USD ($)	Jun. 30, 2019
Market value of holding															$ 10,004,000								$ 10,004,000					$ 5,861,000	$ 10,004,000
Aggregate purchase price of shares in cash																												0	0	$ 2,500,000
Change in fair value of equity securities																												0	49,304,000	0
Equity Method Investment Realized Gain Loss On Disposal																												$ (376,000)	$ (13,000)	0
Bank Frick [Member]
Fair value of consideration received	$ 15,000,000.0
Amount payable to terminate all existing arrangements and settle all liabilities	3,600,000
Transaction costs incurred	40,000.00
Consideration amount from disposal of discontinued operation including liabilities	18,600,000
Receivable On July 15, 2022 [Member] \| Bank Frick [Member]
Fair value of consideration received	7,500,000
Receivable On October 30, 2021 [Member] \| Bank Frick [Member]
Fair value of consideration received	3,900,000
DNI [Member]
Equity-accounted investments, ownership percentage																																				27.00%			30.00%
Impairment loss on equity method investment						$ 11,500,000		$ 1,600,000																						13,100,000
Impairment loss included in accumulated other comprehensive loss								$ 11,300,000
Finbond [Member]
Equity-accounted investments, ownership percentage															31.47%								31.47%					29.31%	31.47%		29.31%
Investment shares owned \| shares																												245,979,903			245,979,903
Number of shares sold \| shares																												22,841,030
Impairment loss on equity method investment																								$ 800,000	$ 16,800,000				$ 17,700,000
Market value of holding																												$ 7,500,000			R 123,000.0
Share price per share \| (per share)																								$ 0.99	$ 1.04						R 0.50
Number of shareholders that own approximately 90% of issued and outstanding shares \| Item																									3
Liquidity discount																								15.00%	1500.00%
Percentage of issued and outstanding shares owned by three shareholders																									9000.00%
Equity Method Investment Realized Gain Loss On Disposal																												400,000
V2 [Member]
Impairment loss on equity method investment																										$ 2,500,000	$ 500,000
Business acquisition amount contributed															$ 5,000,000.0								$ 5,000,000.0						5,000,000.0								$ 1,300,000	$ 1,300,000
Working capital facility															5,000,000.0								5,000,000.0		$ 1,500,000				5,000,000.0
Fair value of consideration received																																$ 1
Amount drawn from working capital facility grant																		$ 1,000,000.0											500,000
Allowance for doubtful loans receivable																												$ 1,500,000
Cell C [Member]
Equity-accounted investments, ownership percentage																												15.00%			15.00%
Investment amount owned															$ 0.0								$ 0.0					$ 0.0	$ 0.0
Cell C [Member] \| Class A [Member]
Investment shares owned \| shares															75,000,000								75,000,000					75,000,000	75,000,000		75,000,000
CPS [Member]
Equity-accounted investments, ownership percentage															87.50%								87.50%					87.50%	87.50%		87.50%
Cedar Cellular [Member]
Equity-accounted investments, ownership percentage															7.625%								7.625%					7.625%	7.625%		7.625%
Mobikwik [Member]
Equity-accounted investments, ownership percentage															11.00%								11.00%					10.00%	11.00%		10.00%
Investment amount owned																$ 52,900,000	$ 27,000,000.0							$ 42,100,000			$ 52,900,000	$ 76,300,000
Share price per share \| R / shares																															R 245.50		R 170.33	R 135.54
Aggregate purchase price of shares in cash																					$ 10,600,000	$ 15,000,000.0								$ 1,100,000
Change in fair value of equity securities															$ 24,000,000.0	$ 10,800,000	$ 15,100,000											49,300,000
Mobikwik [Member] \| I P O [Member]
Shares issued in conversion \| shares														6,215,620
Mobikwik [Member] \| Convertible Preferred Stock [Member] \| I P O [Member]
Compulsorily Convertible Cumulative Preference Shares \| shares														310,781
Mobikwik [Member] \| Minimum [Member]
Equity investment acquisition period																						24 months
Mobikwik [Member] \| Maximum [Member]
Market value of holding																						$ 40,000,000.0
Carbon [Member]
Investment amount owned																												0
Impairment loss on equity method investment																							$ 2,900,000
Market value of holding																												$ 0
Revix [Member]
Investment amount owned													$ 0
Fair value of consideration received													700,000
Equity Method Investment Realized Gain Loss On Disposal													$ 700,000
Bank Frick [Member]
Equity-accounted investments, ownership percentage								35.00%																		35.00%
Bank Frick [Member]
Percentage of ownership interest								35.00%	35.00%	35.00%																35.00%
Equity acquisition amount under purchase agreement									SFr 46.4	$ 46,500,000
Average price to book valuation																										0.9
Return on equity, price to book ratio																										1.15
Cash dividend received from equity method investment				SFr 1.3	$ 1,300,000
Impairment loss on equity method investment																										$ 18,300,000
Bank Frick [Member] \| Termination Agreement [Member] \| Net1 Holdings LI AG [Member]
Percentage of ownership interest																																			35.00%
Lesaka [Member] \| DNI [Member] \| Sale Of Remaining Interest in DNI [Member] \| Call Option [Member]
Number of shares sold \| shares						3,508,455	3,508,455												30,394,765	30,394,765
Cash consideration received on transaction						$ 5,500,000	R 99.2
Option strike price used to calculate the strike price for 27% retained interest																			$ 158,000,000.0	R 2,827.0
Option strike price on 27% of retained interest																			$ 48,000,000.0	R 859.3
Minimum smaller denominations a call options can be split, percent																			20.00%	20.00%
Lesaka [Member] \| DNI [Member] \| Minimum [Member] \| Sale Of Remaining Interest in DNI [Member] \| Call Option [Member]
Percentage of voting and participation interests required to be acquired by nominated party to exercise a call option																			2.50%	2.50%
Lesaka [Member] \| Finbond [Member]
Equity-accounted investments, ownership percentage																												29.31%			29.31%
Lesaka [Member] \| Cell C [Member] \| Class A [Member]
Investment shares owned \| shares											75,000,000	75,000,000
Aggregate purchase price of shares in cash											$ 151,000,000.0	R 2,000.0
Lesaka [Member] \| MIC [Member] \| Unsecured Notes Payable [Member]
Estimated debt transaction costs																												$ 1,000,000.0
Lesaka [Member] \| MIC [Member] \| Sale Of Remaining Interest in DNI [Member] \| Call Option [Member]
Number of shares sold \| shares						26,886,310	26,886,310
Cash consideration received on transaction						$ 42,500,000	R 760.0
Lesaka [Member] \| MIC [Member] \| Sale Of Remaining Interest in DNI [Member] \| Unsecured Notes Payable [Member]
Present value of the note and expected cash repayments						$ 5,400,000	R 95.7
Rate used by Rand Merchant Bank to derive a 24 month interest rate						0.30%	0.30%
Notes receivable obtained in exchange for shares sold to DNI \| R							R 99.2
Number of equal installment payments \| Item						18	18
Fixed interest rate on notes payable						7.25%	7.25%
Periodic principal payment amount						$ 300,000	R 5.5
Interest rate used to determine the present value						6.63%	6.63%
Lesaka [Member] \| MIC [Member] \| Sale Of Remaining Interest in DNI [Member] \| Unsecured Notes Payable [Member] \| JIBAR [Member]
Debt instrument variable interest rate						6.33%	6.33%
Lesaka [Member] \| Bank Frick [Member] \| Minimum [Member]
Return on equity, price to book ratio																													0.7
Lesaka [Member] \| Bank Frick [Member] \| Maximum [Member]
Return on equity, price to book ratio																													4.7
Frick Family Foundation [Member] \| Bank Frick [Member]
Termination fee paid to the Frick Family to cancel option		SFr 17.0	$ 17,500,000
Fair value of consideration received	$ 30,000,000
Percentage of retained equity ownership interest disposed	35.00%